Is it possible to keep the globe view from resetting when you change a setting like depth? If you zoom in on your area of interest, you might want to walk down the depth layers. Might even be good to have << >> buttons next to the drop down?

you got me :) I'll fix it

Using the form input to combine a number of inputs into a single compound input for a more compact display.

Added support for the 2D Earth models

This scale needs to remain constant across entire dataset extends to allow depth to depth comparison.